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Get college assignment help at uniessay writers A parabolic arch has an equation of x2 20y – 400 = 0, where x is measured in feet. Find the maximum height of the arch.

A soft-drink cup is in the shape of a right circular

A soft-drink cup is in the shape of a right circular cone with capacity 250 ml. If the radius of the circular base is 5 cm, how deep is the cup?

find dy/dx by differentiating implicitly, express results in term of x

find dy/dx by differentiating implicitly, express results in term of x and y. 2(x^2 2)^3 (y^2 1)^2=11

Find a linear equation given the total cost of C, of

Find a linear equation given the total cost of C, of producing X units given that 200 graphing calculators cost $1050 to produce and 525 calculators cost $2350 to produce.

find the minimum sample size I should use to assure that

find the minimum sample size I should use to assure that my estimate of p will be within the required margin of error around the population p. Margin of error: 0.09 Cofidence level: 95% p is setimated by the decimal equivalent of 87%.

Can someone answer this question in detail please? “Can a number

Can someone answer this question in detail please? “Can a number be in both the domain and the range of a function? Or, are the domain and range exclusive?”

Sam’s Used Cars uses the specific identification method of costing inventory.

Sam’s Used Cars uses the specific identification method of costing inventory. During March, Sam purchased three cars for $6,000, $7,500, and $9,750, respectively. During March, two cars are sold for $9,000 each. Sam determines that at March 31, the $9,750 car is still on hand. What is Sam’s gross profit for March?

Create a two column relative frequency table, in excel and attach.

Create a two column relative frequency table, in excel and attach. There are ten students, the number of books they have purchased this semester are 4,3,7,2,8,6,1,0,3,5

A kite is flying on 269 feet of string. How high

A kite is flying on 269 feet of string. How high is it above the ground if the height is 190 feet more than horizontal distance from the person flying it?

A batter hits a ball with an initial velocity of 100

A batter hits a ball with an initial velocity of 100 feet per second at an angle theta to the horizontal (aka the ground). An outfielder catches the ball 200 feet from home plate. Find theta if the range, R, of a projectile is given by the formula R=(1/32)100^2 sin2theta.

Richard has just been given a 10-question multiple-choice quiz in his

Get college assignment help at uniessay writers Richard has just been given a 10-question multiple-choice quiz in his history class. Each question has four answers, of which only one is correct. Since Richard has not attended class recently, he doesn’t know any of the answers. Assuming that Richard guesses on all ten questions, what is the probability he answers at least half correctly?

About 19% of all adults deliberately do a one-time fling and

About 19% of all adults deliberately do a one-time fling and feel no guilt about it! In a group of eight adult friends, find the probability that no one has done a one time fling

A soup bowl can be modeled as a solid of revolution

A soup bowl can be modeled as a solid of revolution formed by revolving the graph of y=(x/2)^0.5 1,0≤x≤4，about the x-axis. Use this model, where x and y are measured in inches, to find the volume of the soup bowl.

A television camera is positioned 5000 ft from the base of

A television camera is positioned 5000 ft from the base of a rocket launching pad. The angle of elevation of the camera has to change at the correct rate in order to keep the rocket in sight. Also, the mechanism for focusing the camera has to take into account the increasing distance from the camera to the rising rocket. Let’s assume the rocket rises vertically and its speed is 600 ft/s when it has risen 12000 ft.

Laws regarding access ramps for the disabled state that a ramp

Laws regarding access ramps for the disabled state that a ramp must be in the form of a right triangle, where every vertical length (leg) of 1 ft has a horizontal length (leg) of 12 ft. What is the length of a ramp with a 12-ft horizontal leg and a 1-ft vertical leg? Give an exact answer and an approximation to three decimal places.

A rectangular box without a lid is to be made from

A rectangular box without a lid is to be made from 12 square meters of cardboard. find the maximum volume of such a box.

Researchers routinely choose an -level of 0.05 for testing their hypotheses.

Researchers routinely choose an -level of 0.05 for testing their hypotheses. What are some experiments for which you might want a lower -level (e.g. 0.01)? What are some situations in which you might accept a higher level (e.g. 0.1)?

An airline sells all the tickets for a certain route at

An airline sells all the tickets for a certain route at the same price. If it charges 200 dollars per ticket it sells 10,000 tickets. For every 15 dollars the ticket price is reduced, an extra thousand tickets are sold. Thus if the tickets are sold for 185 dollars each then 11,000 tickets sell. It costs the airline 100 dollars to fly a person. (a) Express the total profit P in terms of the number n of tickets sold. (b) Express the total profit P in terms of the price p of one ticket.

b. Imagine you have decided to price the scones at $2.28

b. Imagine you have decided to price the scones at $2.28 each and the cookies at $1.19 each. How much total revenue would result from selling all the scones and cookies baked in the oven at one time?

A stone dropped in a still pond creates a circular ripple

A stone dropped in a still pond creates a circular ripple whose radius increases at a constant rate of 3 ft/s. At what rate is the area enclosed by the ripple increasing 8 s after the stone strikes the pond?

what percent of $73,426 is $18,261?

what percent of $73,426 is $18,261?

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